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Tungsten TEM Filaments

The tungsten filaments manufactured by Energy Beam Sciences are used in all major brands of scanning and transmission electron microscopes. These high quality, high stability tungsten EM filaments, also called cathodes or electron emitters, are manufactured to excede the specifications of the original equipment manufacturers. These superior cathodes are made using high quality ceramic dics, exact size contact pins and high grade tungsten filament wire. Special tools are used to produce the correct shape of the tungsten filament. All EBSciences tungsten filaments are precisely aligned and annealed in high vacuum to reduce stress in the filament. This will guarantee optimum stability, maximum brightness, longer lifetime and overall lower running costs.

Exclusive features of the EBS tungsten EM filaments are:
– Minimum tip radius for coherent beam
– Rigid attachment of filament wire to post to increase stability
– Fully stress relieved for enhanced cathode lifetime
– Polished post ends
– Precise dimensions
– Better long term economy

Please consult the following table for the correct type of tungsten filament for your SEM, TEM or Microprobe. The EBS tungsten filaments are available for FEI, Hitachi, ISI, JEOL, Philips, Tescan, Zeiss, LEO, Cambridge Instruments, Leica, AmRay, Pemtron and CamScan Electron Microscopes.

Showing all 7 results

  • AEI base Filaments compatible with Zeiss EVO, LEO, Leica, and Cambridge Instrument SEMs

    $294.62
    Select options This product has multiple variants. The options may be chosen on the product page View Product
  • FEI / Philips Filaments for FEI SEM/TEM and Philips PSEM 500 and later and Philips EM200 TEM and later

    $778.41
    Select options This product has multiple variants. The options may be chosen on the product page View Product
  • Hitachi S-Type Filaments for S-, SU-, H- and X-Series SEM and TEM

    $1,062.99
    Select options This product has multiple variants. The options may be chosen on the product page View Product
  • ISI 2-Pin Filaments for ISI / ABT / Topcon SEM and ABT TEM

    $1,078.80
    Select options This product has multiple variants. The options may be chosen on the product page View Product
  • JEOL K-Type Filaments with Stainless Steel Alignment Ring for SEM and TEM

    $744.93
    Select options This product has multiple variants. The options may be chosen on the product page View Product
  • Tescan Filaments for Tescan SEMs and Camscan SEMs with new Tescan Columns

    $1,348.50
    Select options This product has multiple variants. The options may be chosen on the product page View Product
  • Zeiss Tungsten Filaments for Zeiss DSM SEMs/Zeiss TEMs and LEO 400/1400 series SEMs/LEO TEMs

    $677.04
    Select options This product has multiple variants. The options may be chosen on the product page View Product
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